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Finding the Fourth Proportional to 26,989.48, 40,482.93 and 9,457.97

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Solution

The fourth proportional to 26,989.48, 40,482.93 and 9,457.97 is: 14,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.48 : 40,482.93 = 9,457.97 : x
  2. Step 2: Convert to fraction form
    26,989.48/40,482.93 = 9,457.97/x
  3. Step 3: Cross multiply
    26,989.48x = 40,482.93 × 9,457.97
  4. Step 4: Simplify right side
    26,989.48x = 382,886,337.45
  5. Step 5: Solve for x
    x = 382,886,337.45/26,989.48
  6. Step 6: Final answer
    x = 14,186.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.